Pin Definitions of Communications Ports
Figure 5-16 Communications ports
Port
Pin
Definition
Pin
Definition
Description
RS485-1
1
RS485A IN, RS485
differential
2
RS485A OUT, RS485
differential
Used for cascading
inverters or
connecting to
devices such as the
SmartLogger.
3
RS485B IN, RS485
differential signal–
4
RS485B OUT, RS485
differential signal–
PE
5
PE, shielding ground
6
PE, shielding ground
-
RS485-2
7
RS485A, RS485
differential
8
RS485B, RS485
differential signal–
Used for connecting
to RS485 slave
devices.
Procedure
Step 1 Install the communications cable.
SUN2000-(196KTL-H0, 200KTL-H2, 215KTL-H0)
Series
User Manual
5 Electrical Connections
Issue 07 (2021-07-08)
Copyright © Huawei Technologies Co., Ltd.
47